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Autism Spectrum Quotient (AQ-50)

Psychology: Mental HealthReliability: alpha 0.823 sample items

About this scale

A 50-item measure of autism-spectrum traits in adults across five domains: social skills, attention switching, attention to detail, communication, and imagination.

Sample item(s)

“I prefer to do things with others rather than on my own (reverse)”
“I prefer to do things the same way over and over again”
“I find it hard to make new friends”

Reliability

Reported internal consistency: alpha 0.82. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.

Notes

Free for academic use.

Source & citation

Baron-Cohen, S., Wheelwright, S., Skinner, R., Martin, J., & Clubley, E. (2001): The Autism-Spectrum Quotient (AQ): Evidence from Asperger syndrome/high-functioning autism, males and females, scientists and mathematicians. Journal of Autism and Developmental Disorders, Vol. 31, No. 1, pp. 5–17.

Baron-Cohen, S., Wheelwright, S., Skinner, R., Martin, J., & Clubley, E. (2001): The Autism-Spectrum Quotient (AQ): Evidence from Asperger syndrome/high-functioning autism, males and females, scientists and mathematicians. Journal of Autism and Developmental Disorders, Vol. 31, No. 1, pp. 5–17.

Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.

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